package com.XiGuaXiaoMe.controller.stu;

import com.XiGuaXiaoMe.dao.userDao;
import com.XiGuaXiaoMe.entity.Users;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;


@SuppressWarnings("serial")
public class UserUpDateServlet extends HttpServlet {

    /**
     * Constructor of the object.
     */
    public UserUpDateServlet() {
        super();
    }

    /**
     * Destruction of the servlet. <br>
     */
    public void destroy() {
        super.destroy(); // Just puts "destroy" string in log
        // Put your code here
    }

    /**
     * The doGet method of the servlet. <br>
     *
     * This method is called when a form has its tag value method equals to get.
     *
     * @param request the request send by the client to the server
     * @param response the response send by the server to the client
     * @throws ServletException if an error occurred
     * @throws IOException if an error occurred
     */
    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        this.doPost(request, response);
    }

    /**
     * The doPost method of the servlet. <br>
     *
     * This method is called when a form has its tag value method equals to post.
     *
     * @param request the request send by the client to the server
     * @param response the response send by the server to the client
     * @throws ServletException if an error occurred
     * @throws IOException if an error occurred
     */
    public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        HttpSession session = request.getSession();
        response.setContentType("text/html;charset=utf-8");
        request.setCharacterEncoding("utf-8");
        PrintWriter out = response.getWriter();
        out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
        out.println("<HTML>");
        out.println("  <HEAD><TITLE>A Servlet</TITLE></HEAD>");
        out.println("  <BODY><center>");
        try{
            request.setCharacterEncoding("utf-8");
            Users stu = new Users(request.getParameter("userName")
                    ,request.getParameter("userName3"),request.getParameter("password"),request.getParameter("email"));
            userDao update = new userDao();
            int rs = update.updateStu(stu);
            if(rs!=0){
                out.println("修改成功："+stu.getUserName3());

                session.setAttribute("user", stu);
                response.sendRedirect("/MyWeb/Student/userinformation.jsp");
            }else{
                out.println("修改失败"+stu.getUserName3());
            }
            /*response.sendRedirect("/Ten/tea/selectStu.jsp");*/
        }catch(Exception e){e.printStackTrace();}

        out.println("</center></BODY>");
        out.println("</HTML>");
        out.flush();
        out.close();
    }

    /**
     * Initialization of the servlet. <br>
     *
     * @throws ServletException if an error occurs
     */
    public void init() throws ServletException {
        // Put your code here
    }

}
